Pump.



C. BEEN.

PUMP.

APPLICATION FILED JAN. 1o, 190s.

Patented Jan. 12, 1909.

2 SHEETS-SHEET 1.

l HUUII Il s NoRms PETERS co wAsmNcroN. D. c.

C. BEHN.

PUMP.

APPLICATION FILED JAN.10, 190e.

Patented Jan. 12, 1909.

2 SHEETS-SHEET 2.

IHHHI' M mman/boa M 21M/ugo CARL BEEN, OF EAST ORANGE, NEW JERSEY.

rutti.

Application filed January 1G, 1808.

Fo at!I whom it may concern.'

Be it known that l, CARL BEHN, a citizen of the United States, residing at East Orange, in the county of Esser; and State of ll ew Jersey, have invented certain new and useful improvements in Pumps, of which the following is a specification.

The invention relates to that type of pump in which an elastic tube is disposed on the inner periphery of a circular support and compressed'by a traveling roller carried by a radial arm on a rotary shaft coaxial with said support.

rlhe obj ect of the invention is to simplify the construction of the pump and to im prove its operation.

rEhe invention consists in the various combinations more particularly recited in the flaiins.

In the accompanying drawings Figure 1 is a side elevation of my elastic tube pump; Fig. 2 an edge elevation, with a portion of the hollow cylindrical support 1 broken away; Fig. 3 is a top view; F ig. 4 shows the roller carrying har separately.

Similar numbers of reference indicate like parts.

1 is a hollow cylindrical support, fixed in position and provided with, preferably inte gral, foot brackets 2 which may be bolted to the floor. On the upper portion of the support 1 is formed the integral boss 3 having two vertical openings to receive the ends of an elastic tube 4, which tube extends around and within the inner periphery of said support. Said tube is preferably longitudinally corrugated, and, on the side which lies in contact with support 1, is provided with projections 5 which are received in slots 6 made through the support wall. Bolts 7 headed within, or otherwise secured to, the tube 4 pass through the projections 5 and through loose plates 8 on the exterior of said wall and receive nuts 9 on their outer threaded extremities, which nuts bear on plates 8. In this way, the tube 4 is firmly secured in position within the cylindrical support 1, and is also prevented from moving in the direction of its length. The ends of the tube 4 which extend upwardly beyond the boss 3 are secured respectively to the delivery pipe 10 and the inlet pipe 11.

On each side of the circular support 1 is bolted a four armed spider 25, 26, which spiders have central bearings 27 for the Speccation of Letters Fatent.

Eatented Jan. 12, 1909.

Serial No. 410,072.

shaft 28.y on one end of which is fastened the driving pulley 29, by means of which pulley said shaft is rotated. Secured on said shaft is a har 30 .forked at both ends. ln each f are circular openings to receive circular disks, and in these disks are formed apertures which are eccentrically placed. Thus in the arms of the fork 31 are disposed the disks 32, and through the eccentrically placed apertures in said disks 82 passes the shaft 33, which is threaded at its ends and provided with nuts 34 thereon, whereby it iS clamped to said disks. Similarly in the arms of the fork 85 are disposed disks 36, and tl'irough the eccentrically placed apertures in said disks 36 passes the shaft 37 which is threaded at its ends and provided with nuts 38 thereon, whereby it is clamped to said disks. ln each fork arm is a clamping screw 39 which bears against the edge of the disk therein. lillhen said screws 39 are loosened the disks 32 and 36 may be rotated and thus by reason of the eccentricity of the shaft apertures therein, either shaft 33 or 37 may be adjusted laterally nearer to or further from the middle point of the bar 30, as indicated in dotted lines in F ig. 4. le shaft B3 between the arms of fork 31 carries a loose roller 40. 87 carries, between the arms of fork 35, two disks 41. l/Vhen the bar 30 is in place as shown in Figs. 1 and 2 the roller 40 bears upon and compresses the elastic tube 4, while the disks 41 receive said tube between them and bear on the inner periphery of the circular support 1. lt will be evident that by adjusting the roller shaft 33 in the manner above described the amount of compression of the tube 4 by said roller can be regulated, and similarly by adjusting the shaft 37 the pressure of the disks 41 on the inner periphery of the support 1 can. be regulated.

The shaft The operation of the pumps is as follows:

The shaft 28 being rotated in the direction of the arrow Fig. 1, the roller 40 pressing upon the tube 4 forces the fluid therein ahead of it and out through the delivery pipe 10. llegurgitation is prevented by a suitable check valve. Meanwhile new fluid constantly flows into the tube from the inlet pipe 11 and in rear of the roller. The disks 41 guide the bar and through their adjustment equalize the pressure exerted upon shaft 28, thus preventing any distortion of said shaft. The operation of the pump is of course continuous as long as the shaft 28 is kept rotatino'.

I elaiin:

The combination of a circular support, a rotary shaft coaxial therewith, an elastic tube disposed on and around the inner periphery of said support, a bar extending` radially on both sides of said shaft, a roller on one'end of said bar bearing upon and compressing' said tube, and a disk on the opposite end of saidbar bearing on the inner periphery of said support.

2. The combination of a Circular support, a rotary shaft coaxial therewith, an elastic tube disposed on and around the inner periphery of said support, a bar extending radially on both sides of said shaft, a roller on one end of said bar bearingl upon and compressing' said tube, a disk on the opposite end of said bar bearing' on the inner periphery of said Jtube and ineans for adjusting said disk nearer to or further froin said shaft.

The combination of a circular support, a rotary shaft coaxial therewith, an elastic tube disposed on and around the inner periphery of said support, a bar extending radially on both sides of said shaft, a roller on one end of said bar bearing upon and compressingsaid tube,y a diskl on the oppo.

radially on both sides of said shaft, a roller on one end of said bar bearing; upon and conipressingY said tube and two disksponthe opposite ends of said bar bearing` Yon the inner periphery of said support on each side of said tube. V

The combination in an elastic tube puinp of the type set forth, of a rotary shaft, a bar extending radially on both sides 0f said shaft, a roller at oneend of said bar bearing upon and compressing' said tube, a circular ahn'tn'ient, and a freely rotating,` ineinber disposed on the opposite end of said bar and bearing upon the inner periphery of saidV aliiutinent.

in testimony whereof l have aflixed iny signature in presence of two witnesses.

CARL BEEN. YV'Vitnesses Gr-nrannn T. PORTER, ANNA M. VnTsiiL. 

